UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

Form 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
PURSUANT TO SECTION 12(b) OR (g) OF
THE SECURITIES EXCHANGE ACT OF 1934

Aon plc
(Exact Name of Registrant as Specified in Its Charter)	 	Aon Global Limited
(Exact Name of Registrant as Specified in Its Charter)	
		
Ireland
(Jurisdiction of Incorporation or Organization)	 	England and Wales
(Jurisdiction of Incorporation or Organization)	
		
98-1539969
(I.R.S. Employer Identification no.)	 	98-1030901
(I.R.S. Employer Identification no.)	
		
Metropolitan Building
James Joyce Street
Dublin 1, Ireland D01 K0Y8
(Address of Principal Executive Offices)	 	The Aon Centre
The Leadenhall Building
122 Leadenhall Street
London, England, EC3V 4AN
(Address of Principal Executive Offices)	
		
Aon Corporation
(Exact Name of Registrant as Specified in Its Charter)	 	Aon Global Holdings plc
(Exact Name of Registrant as Specified in Its Charter)	
		
Delaware
(Jurisdiction of Incorporation or Organization)	 	England and Wales
(Jurisdiction of Incorporation or Organization)	
		
36-3051915
(I.R.S. Employer Identification no.)	 	98-1199820
(I.R.S. Employer Identification no.)	
		
200 East Randolph Street
Chicago, Illinois 60601
United States of America
(Address of Principal Executive Offices)	 	The Aon Centre
The Leadenhall Building
122 Leadenhall Street
London, England, EC3V 4AN
(Address of Principal Executive Offices)	
Securities to be registered pursuant to Section 12(b) of the Act:

Title of each class
to be so registered	 	Name of each exchange on which
each class is to be registered	
2.050% Senior Notes due 2031	 	The New York Stock Exchange	
If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box.  ☒
If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box.  ☐
If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box.  ☐
Securities Act registration statement or Regulation A offering statement file number to which this form relates (if applicable): 333-238189
Securities to be registered pursuant to Section 12(g) of the Act: None.

 

Item 1. Description of Registrant’s Securities to be Registered.
Aon Corporation (“Aon Corp.”) and Aon Global Holdings plc (formerly known as Aon Global Holdings Limited)(“AGH” and, together with Aon Corp., the “Issuers”) register hereunder their 2.050% Senior Notes due 2031 and the guarantees thereof (the “Guarantees” and, together with the Notes, the “Securities”) by each of Aon plc and Aon Global Limited (formerly known as Aon plc) (“AGL”). The information required by this item in respect of the Securities is incorporated herein by reference to the information set forth under the caption “Description of the Securities” in the Issuers’ Prospectus Supplement, dated August 18, 2021, and under the caption “Description of Debt Securities and Guarantees” in the accompanying Prospectus, dated May 12, 2020, filed with the Securities and Exchange Commission (the “Commission”) on August 20, 2021 and May 12, 2020, respectively.
Item 2. Exhibits.

	Exhibit
No.	  	Description	
			
4.1	  	Amended and Restated Indenture, dated April 1, 2020, among Aon Corp., Aon plc, AGL, AGH and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”) (amending and restating the Indenture, dated December 3, 2018, among Aon Corp., AGL and the Trustee) (incorporated by reference to Exhibit 4.6 to Aon plc’s Current Report on Form 8-K filed with the Commission on April 1, 2020)		
			
4.2	  	First Indenture Supplement, dated as of August 23, 2021, among Aon Corp., Aon plc, AGL, AGH and the Trustee (incorporated by reference to Exhibit 4.2 to Aon plc’s Current Report on Form 8-K filed with the Commission on August 23, 2021)		
			
4.3	  	Form of 2.050% Senior Note due 2031 (included in Exhibit 4.2)		

SIGNATURE
Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrants have duly caused this registration statement to be signed on their behalf by the undersigned, thereto duly authorized.
Dated: August 23, 2021

AON PLC
        (Registrant)	
		
By:	 	/s/ Paul Hagy	
	 	Name: Paul Hagy	
	 	Title: Treasurer	
	
AON GLOBAL LIMITED
    (Registrant)	
		
By:	 	/s/ Rogier Sparreboom	
	 	Name: Rogier Sparreboom	
	 	Title: Director	
	
AON CORPORATION
    (Registrant)	
		
By:	 	/s/ Julie Cho	
	 	Name: Julie Cho	
	 	Title: Vice President & Secretary	
	
AON GLOBAL HOLDINGS PLC
    (Registrant)	
		
By:	 	/s/ Gardner Mugashu	
	 	Name: Gardner Mugashu	
	 	Title: Director